The self-deprecating celebrity reassured his 119,000 Instagram and 44,000Twitter followers on Sunday that he was, indeed, still here.

He posted a photo of his arm with a hospital wristband and wrote: "As Mark Twain once said, 'Reports of my dearth have been greatly exaggerated'. Thank you to all the staff at Royal Brisbane #depression #anxiety #overdose [sic]"

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He posted the same message and photograph to Facebook, where he has received hundreds of messages of support from fans and well-wishers.

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"Get well soon buddy, remember that lots of us care about you," one well-wisher wrote.

"On Saturday evening (15th November) Ben Zabel suffered a prescription drug overdose. He was treated by paramedics on the scene in his apartment and was later transported to the Royal Brisbane Hospital for further treatment. Ben was released from hospital yesterday afternoon and is now home recovering. We ask for privacy for Ben, his family and his friends at this time."

Zabel, a former Virgin Australia flight attendant, has been open about his struggles with depression and anxiety.

As well as working with News Talk 4BC in Brisbane and Channel 9, he has worked with various charities, including The Coffee Break Project, to raise awareness of mental illness.

Earlier in the year he also revealed his depression and anxiety were the reasons he was dismissed from Virgin after being found unfit to fly.

He wrote he was finally ready to talk about the reason he left the airline, after people kept asking him when he'd return to flying.

"I used to just make a joke and fob the question away, as I was too embarrassed to admit anxiety and depression got the better of me in my workplace. I then felt like I was lying to myself and lying to all of you by not telling you the full story. I pride myself on being genuine and honest, and Mum has always said 'the truth shall set you free'," he wrote in a July post.

"I'm choosing to speak up now, because as the new series of Big Brother looms on the horizon, my proverbial '15 minutes of fame' will truly be up, and I wanted to help those suffering with mental illness while I still had a 'voice'."

It seems that Zabel still has his voice, despite a new season of Big Brother house mates moving in.

He is due to appear at the Brisbane Powerhouse Wonderland festival, performing a one-man comedy show from December 7.

He told Fairfax Media he was going to use his show to address all the questions he gets about his life before, after, and during his Big Brother stint, and talk about all the weird things that happen to him now that he's a celebrity.

"We're calling it a show, but it's really just therapy for me," he said.

"Also, I'm a bit lazy because everyone asks me questions on Twitter or Facebook or my private email, and I thought, 'Why don't I put you all in a room and charge you?'"

Zabel, who is bemused by his ongoing celebrity since leaving Big Brother's 2013 house, joked his show A Quiet Night In was going to be the end of his public gigs.

"I see this as my grand farewell, after which I can retire, but for some reason [producers] see this as my hello," he told Fairfax.

"I don't know, I think they're just out to make money off me."

He said he would probably deal with the anxiety of performing in front of a crowd by wearing comfortable pyjamas on stage, something he started doing while in the Big Brother house.